Reinstate default context for globalStyles in entities.js

Check read caps on all CPTs

lib/class-wp-rest-global-styles-controller-gutenberg.php

@@ -581,6 +581,7 @@ public function get_item_schema() {
 	 * Checks if a given request has access to read a single theme global styles config.
 	 *
 	 * @since 5.9.0
+	 * @since 6.7.0 Allow users with edit post capabilities to view theme global styles.
 	 *
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
@@ -590,17 +591,23 @@ public function get_theme_item_permissions_check( $request ) { // phpcs:ignore V
 		 * Verify if the current user has edit_posts capability.
 		 * This capability is required to view global styles.
 		 */
-		if ( ! current_user_can( 'edit_posts' ) ) {
-			return new WP_Error(
-				'rest_cannot_manage_global_styles',
-				__( 'Sorry, you are not allowed to access the global styles on this site.', 'gutenberg' ),
-				array(
-					'status' => rest_authorization_required_code(),
-				)
-			);
+		if ( current_user_can( 'edit_posts' ) ) {
+			return true;
 		}
 
-		return true;
+		foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
+			if ( current_user_can( $post_type->cap->edit_posts ) ) {
+				return true;
+			}
+		}
+
+		return new WP_Error(
+			'rest_cannot_manage_global_styles',
+			__( 'Sorry, you are not allowed to access the global styles on this site.', 'gutenberg' ),
+			array(
+				'status' => rest_authorization_required_code(),
+			)
+		);
 	}
 
 	/**

packages/core-data/src/entities.js

@@ -182,7 +182,7 @@ export const rootEntitiesConfig = [
 		name: 'globalStyles',
 		kind: 'root',
 		baseURL: '/wp/v2/global-styles',
-		baseURLParams: {},
+		baseURLParams: { context: 'edit' },
 		plural: 'globalStylesVariations', // Should be different from name.
 		getTitle: ( record ) => record?.title?.rendered || record?.title,
 		getRevisionsUrl: ( parentId, revisionId ) =>